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发明名称
Dispositif commutateur destiné à assurer l'émission de signaux de signalisation
摘要
申请公布号
CH343464(A)
申请公布日期
1959.12.31
申请号
CHD343464
申请日期
1957.11.19
申请人
LIGNES TELEGRAPHIQUES ET TELEPHONIQUES
发明人
DALLEMAGNE,ROBERT
分类号
H04J1/14
主分类号
H04J1/14
代理机构
代理人
主权项
地址
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